19784370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 50575104

約数和(自身を除く): 30790734

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 53, 69, 106, 115, 138, 159, 230, 265, 318, 345, 530, 541, 690, 795, 1082, 1219, 1590, 1623, 2438, 2705, 3246, 3657, 5410, 6095, 7314, 8115, 12190, 12443, 16230, 18285, 24886, 28673, 36570, 37329, 57346, 62215, 74658, 86019, 124430, 143365, 172038, 186645, 286730, 373290, 430095, 659479, 860190, 1318958, 1978437, 3297395, 3956874, 6594790, 9892185, 19784370]

約数ペア:

[(1, 19784370), (2, 9892185), (3, 6594790), (5, 3956874), (6, 3297395), (10, 1978437), (15, 1318958), (23, 860190), (30, 659479), (46, 430095), (53, 373290), (69, 286730), (106, 186645), (115, 172038), (138, 143365), (159, 124430), (230, 86019), (265, 74658), (318, 62215), (345, 57346), (530, 37329), (541, 36570), (690, 28673), (795, 24886), (1082, 18285), (1219, 16230), (1590, 12443), (1623, 12190), (2438, 8115), (2705, 7314), (3246, 6095), (3657, 5410)]